diff --git a/GravityField/animation.f90 b/GravityField/animation.f90
index 7da3152..671c2f7 100644
--- a/GravityField/animation.f90
+++ b/GravityField/animation.f90
@@ -10,9 +10,9 @@ program animation
   implicit none
 
   ! some configuration constants
-  integer, parameter      :: S_WIDTH  = 1024
-  integer, parameter      :: S_HEIGHT = 1024
-  integer, parameter      :: NB_BODY  = 70
+  integer, parameter      :: S_WIDTH  = 1600
+  integer, parameter      :: S_HEIGHT = 1600
+  integer, parameter      :: NB_BODY  = 60
 
   !!! WARNING : global variable !!!
   type(massbody)          :: planets(NB_BODY)
@@ -71,7 +71,7 @@ subroutine deplace_les_planetes(moons, clipit)
   integer                 :: foo
   real                    :: depx, depy
 
-  integer, parameter      :: EE = 45
+  integer, parameter      :: EE = 51
   integer                 :: SW = S_WIDTH  - EE
   integer                 :: SH = S_HEIGHT - EE
 
@@ -100,7 +100,7 @@ subroutine deplace_les_planetes(moons, clipit)
       if (moons(foo)%posy .LT. EE)     moons(foo)%posy = SH
     endif
 
-    moons(foo)%heading = moons(foo)%heading + (0.71*(rand()-0.50))
+    moons(foo)%heading = moons(foo)%heading + (0.73*(rand()-0.50))
     if (moons(foo)%heading .GT. 6.2831853) moons(foo)%heading = 0.0
     if (moons(foo)%heading .LT. 0.0000001) moons(foo)%heading = 0.0